Fix for r159256 on Windows.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159262 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index 16906de..100f3ce 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -568,7 +568,11 @@
     return;
 
   SeenFileEntries.erase(Entry->getName());
+#ifdef LLVM_ON_WIN32
+  UniqueRealFiles.UniqueFiles.erase(Entry->getName());
+#else
   UniqueRealFiles.UniqueFiles.erase(*Entry);
+#endif
 }